100555513 has 8 divisors (see below), whose sum is σ = 102965760. Its totient is φ = 98156640.

The previous prime is 100555489. The next prime is 100555523. The reversal of 100555513 is 315555001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100555513 is a prime.

It is a super-2 number, since 2×100555513² = 20222822389386338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100555523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16608 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (12870720).

Almost surely, 2^100555513 is an apocalyptic number.

It is an amenable number.

100555513 is a deficient number, since it is larger than the sum of its proper divisors (2410247).

100555513 is an equidigital number, since it uses as much as digits as its factorization.

100555513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 100555513 is about 10027.7371824355. The cubic root of 100555513 is about 465.0167843789.

The spelling of 100555513 in words is "one hundred million, five hundred fifty-five thousand, five hundred thirteen".